论文部分内容阅读
Analytical solution of velocity distribution for flow through submerged large deflection flexible ve
【机 构】
：
State Key Laboratory of Water Resources and Hydropower Engineering Science,Institute of Mechanics
【出 处】
：
应用数学和力学（英文版）
【发表日期】
：
2004年期
其他文献
煤矿的安全思想教育工作，是任何一项机制所无法替代的，要通过不断创新和探索，安全教育方式方法从枯乏的批评、单一的说教、硬性的制约，改进到人本安全教育亲情化上。通过父母亲、
The magnetization measurements of gallium nitride nanoceramics doped with 1% of cerium and sintered under various pressures were reported.It was found that GaN
我国金属与非金属矿山安全标准化实施的原因与发展趋势，针对安全标准化主要内容，对安全标准化实施过程中存在的问题，提出了相应的对策。并且构建动态的、实时性的考评信息网络化
Compositional-dependent heavy metal lead borate glasses doped with Tb3+ ior were investigated.Green luminescence related to main 5D4→7F5 (543 nm) transition wa
腐蚀是材料和周围环境发生化学或电化学反应而引起的一种消损破坏，自然环境会造成材料的腐蚀。近年发生的一系列自然灾害和安全事故，都实实在在地证明了腐蚀和腐蚀隐患是这些事
The absorption and emission spectra as well as decay time profile of Dy3+ ions in LaAlO3 nanocrystals were analyzed.The crystal structure of LaAlO3 was confirme
Synthesis and characterization of core/shell structured nanophosphors CePO4:Tb@LaPO4 by solvothermal
Core/shell structured CePO4:Tb(Ⅲ)@LaPO4 and CePO4:Tb(Ⅲ) were successfully synthesized in tris(2-ethylhexyl) phosphate (TEHP) and diethylene glycol (DEG) solve
Structural and luminescent properties of (Eu,Tb)PO4 H2O nanorods/ nanowires prepared by microwave te
Nanowires/nanorods of europium/terbium orthophosphate monohydrate with Eu3+ concentration of 6,11,and 20 at.％ were prepared by microwave synthesis method.The eff
The Eu3+ complexes with S(+) -mandelic acid were synthesized in the form of powders by mixing aqueous solutions of EuCl3,S(+) -mandelic acid and NaOH in differe
Spectroscopic properties of Eu3+ doped YBO3 nanophosphors synthesized by modified co-precipitation m
Y1-xEuxBO3 nanophosphors were synthesized by a modified co-precipitation method.The structure of the obtained nanocrystals was determined by X-ray diffraction (